Excellent Weather-resistant Thermoplastic Acrylic Resin for Road Marking Paint
This thermoplastic acrylic resin is specifically engineered for high-performance road marking paints, drying exclusively through solvent evaporation to form a durable film via chain entanglement. This mechanism ensures rapid drying and short recoat times, which is critical for efficient road marking operations. The resulting coatings deliver outstanding weather resistance, including exceptional color retention, high gloss durability, and superior resistance to UV radiation and environmental degradation. These Thermoplastic Acrylic Resin-based coatings are soluble in specific solvents, facilitating easy in-field repair and maintenance. While primarily formulated for road marking applications, the performance of this Thermoplastic Acrylic Resin is influenced by ambient conditions during application. A key consideration is its susceptibility to solvent attack after drying due to the absence of crosslinking.
Item No :
Thermoplastic Acrylic ResinApplication :
Road Marking PaintSpecial Feature :
Excellent Weather-resistant Thermoplastic Acrylic Resin for Road Marking Paint delivers rapid-drying, durable films with exceptional weatherability, abrasion resistance and broad solvent compatibility.Product Overview
This product is an Excellent Weather-resistant Thermoplastic Acrylic Resin engineered specifically for high-performance road marking paint formulations. The resin forms a continuous film solely through solvent evaporation and polymer chain entanglement, a physical drying process that eliminates the need for crosslinking. This mechanism provides the exceptionally fast drying times essential for rapid deployment of traffic markings and minimal road closure periods.A key characteristic of this Thermoplastic Acrylic Resin is its outstanding resistance to solar UV radiation, hydrolysis, and thermal cycling, ensuring long-term color and retroreflective glass bead retention. The coatings deliver superior resistance to abrasion from traffic wear and degradation from weather elements, maintaining line integrity and visibility. These resins are designed with a specific solubility profile, allowing for easy dissolution in common solvents to facilitate in-field repair and touch-up of markings.Primarily used in hot-melt and solvent-based road marking paints, this resin provides a hard, durable, and highly weather-resistant protective film. Based on a robust thermoplastic acrylic chemistry, it ensures excellent weatherability, rapid drying, and sustained chromaticity, meeting international performance standards for traffic safety coatings.
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Key Features
|
Parameter |
Typical Value |
Unit |
Notes |
|
Appearance |
Transparent viscous liquid with little yellow |
– |
Visual inspection |
|
Solid Content |
50-51 |
% |
Can be adjusted for formulation |
|
Viscosity (25°C, Brookfield RV) |
200-28000CPS (25 ℃) |
mPa·s |
Spindle 3, 20 rpm |
|
Color |
<1 # (Fe-Co) |
/ |
/ |
|
Density (25°C) |
1.05–1.15 |
g/cm³ |
Typical value |
|
Recommended Solvents |
Toluene,Butyl acetate,Butanol |
– |
For formulation compatibility |
|
Shelf Life |
12 |
months |
Stored in sealed containers at 5–35°C |
|
Storage |
Cool, dry place |
– |
Avoid direct sunlight and moisture |
| Thermoplastic Acrylic Resins | |||||||||
| Product Name | Application Mode | Application Field | Key Technical Features | Solid Content (≥%) | Viscosity mPa·s/25°C | Acid Value mgKOH/g | Color | Glass Transition Temperature Tg°C | Solvent |
| RAC2950 | Direct Coating | Plastic parts such as switch sockets and electronic housings | Excellent alcohol resistance; superior aluminum-flake orientation (silver alignment); outstanding anti-silver-loss performance | 51 | 16000 - 24000 | 1.0 - 4.0 | <1 | 98 | Toluene/Butanol |
| RAC2652 | Primer | One-component UV primers for plastic substrates | Excellent aluminum-flake orientation; high compatibility with UV topcoats | 50 | 15000 - 28000 | 1.0 - 4.0 | <1 | 62 | Toluene/Butyl acetate |
| RAC2658 | Primer | Universal primer for one-component UV, PU and elastic coatings on plastics | Excellent aluminum-flake orientation; compatible with UV, PU and elastic topcoats | 50 | 15000 - 28000 | 1.0 - 4.0 | <1 | 63 | Toluene/Butyl acetate/Butanol |
| RAC2350F | Direct Coating | Air-dry or aerosol (touch-up) coatings | Good wetting; easy application; benzene-free | 50 | 200 - 300/s - 4# | 3.0 - 6.0 | <1 | 40 | Butyl acetate/Butanol |
Applications
The application of Excellent Weather-resistant Thermoplastic Acrylic Resin for Road Marking Paint is a precision-oriented process designed to maximize road safety and marking longevity. The following outlines the critical application steps to ensure optimal performance.
◊ Pavement Preparation and Priming:
The asphalt or concrete substrate must be thoroughly cleaned to remove dirt, moisture, and debris that could compromise adhesion. This Thermoplastic Acrylic Resin is engineered with strong adhesive properties, forming a physico-chemical bond with the mineral aggregate in the pavement. This foundational step is crucial for establishing a continuous, defect-free film that resists peeling and delamination under traffic stress.
◊ Paint Formulation and Application:
The resin is designed for compatibility with both solvent-borne and hot-melt road marking systems. It can be applied using precision equipment such as airless spray or extrusion coaters. Achieving a uniform film thickness is critical for ensuring consistent retroreflectivity, long-term weatherability, and sufficient abrasion resistance to withstand traffic wear.
◊ Drying and Film Formation via Coalescence:
Following application, the marking dries through rapid solvent evaporation (in solvent-borne systems) or cooling (in hot-melt systems). This allows the polymer chains of the resin to pack closely and entangle, forming a tough, continuous film. This physical drying mechanism is key to developing a durable, non-crosslinked layer that provides a rapid return-to-service time.
◊ Performance Validation under Service Conditions:
To fully realize its long-term durability, the applied marking must develop ultimate cohesion. The resin's inherent molecular structure provides resistance to UV degradation, plasticizer migration, and thermal cycling. This ensures the marking maintains its color contrast, retroreflectivity, and integrity under continuous exposure to sunlight, rain, and mechanical abrasion throughout its service life.

Benefits

Key Traits: Excellent weather resistance; rapid drying via solvent evaporation; thermoplasticity; reversible solubility
Primary Benefits:
1.Enables extremely fast film formation and short traffic reopening times through rapid solvent evaporation.
2.Provides exceptional long-term resistance to UV radiation, oxidation, and hydrolysis for sustained color and retroreflection.
3.Delivers a tough, abrasion-resistant film that withstands traffic wear and environmental stress.
4.Offers excellent compatibility with road marking formulation components like pigments, fillers, and glass beads.
Allows for easy on-site repair and recoating due to the reversible solubility of this Thermoplastic Acrylic Resin.
Typical Uses:
1.High-performance solvent-borne road markings: Ensures durability on highways and high-traffic urban roads.
2.Durable hot-melt plastic road markings: Provides flexibility and strong adhesion to asphalt and concrete.
3.Reflective road markings: Maintains excellent glass bead embedment and retention for nighttime visibility.
4.Airfield and specialized pavement markings: Meets stringent performance requirements for critical infrastructure.


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